Bill Collection Dashboard Development

I'm looking for a developer to create a desktop-only dashboard for my electricity bill collection agency. The dashboard should provide visual data on our work progress and performance metrics for each bill collector.

Key requirements:
- Display number of bills processed
- Show collector performance
- Visualizations should be in bar chart format
- Accessible on desktop only

Ideal skills and experience:
- Proficiency in data visualization tools
- Experience in developing desktop applications
- Strong background in creating performance dashboards

Please provide samples of similar work done.